package mapper;

import com.lu.javabean.User;

import java.util.Date;
import java.util.List;

public interface UserMapper {
    List<User> selectAllUser();

    //返回结果为一条数据
    User selectById();

    int insertUser(User user);
    int updateSalById(int id,double sal);
    //根据传入的list集合删除指定id数据
    int deleteByList(List<Integer> ids);
}
